fstack.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`fstack.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a97e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:36ea^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.234^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.126^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elma.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elma.ns.cloudflare.com`
		A	108.162.192.154^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
		A	172.64.32.154^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
		A	173.245.58.154^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
NS	`jermaine.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c9d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jermaine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jermaine.ns.cloudflare.com`
		A	108.162.195.157^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	162.159.44.157^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	172.64.35.157^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
MX	`fstack-dev.mail.protection.outlook.com` ⭐
TXT	`NETORGFT15033547.onmicrosoft.com`
TXT	`v=spf1 include:secureserver.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.234, 172.67.169.126
		IPv6 hints	2606:4700:3030::ac43:a97e, 2606:4700:3031::6815:36ea
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=29, name=cloudflare-ech.com
SOA	`elma.ns.cloudflare.com`dns@cloudflare.com serial=2414055918

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

fstack.cl

fstack.xyz

fstack.com

fstack.in

fstack.com.mx

fstack.co

fstack.dev

fstack.asia

fstack.net

fstack.pro

fstack.io.vn

fstack.cn

fstack.org

Similar names

tfksac.org

fctask.com

factks.de

stackf.myshopify.com

kcfast.ph

stackf.com

ksfact.com

fastkc.com

ftcksa.com

kfacts.com

ktfcsa.com

ftcksa.net

ktfcsa.pages.dev

Previous names

fslab.dev

fsldk.dev

fslds.dev

fslp.dev

fsm.dev

fsmarketing.dev

fsobral.dev

fsoc.dev

fsoikin.dev

fsos.dev

fsosa.dev

fsousa.dev

fsquiroz.dev

fsrlabs.dev

fsrn.dev

fss.dev

fssc.dev

fst.dev

fsta.dev

Next names

fstadler.dev

fstanziola.dev

fstarlabs.dev

fstat.dev

fstate.dev

fstats.dev

fstd.dev

fstg.dev

fstk.dev

fstleo.dev

fstm.dev

fstnetwork.dev

fstop.dev

fstore.dev

fstring.dev

fstrudel.dev

fstudio.dev

fsu.dev

fsuarez.dev

fsubal.dev

DNS History

11 records (7 active, 4 former)

●NSelma.ns.cloudflare.com2026-08-28 → 2026-09-05 · 2 obs

● 2026-08-28 11:49:58
● 2026-09-05 20:17:02

●NSjermaine.ns.cloudflare.com2026-08-28 → 2026-09-05 · 2 obs

● 2026-08-28 11:49:58
● 2026-09-05 20:17:02

●MXfstack-dev.mail.protection.outlook.com2026-08-28 → 2026-09-05 · 2 obs

● 2026-08-28 11:49:58
● 2026-09-05 20:17:02

●A104.21.54.2342026-08-30 → 2026-09-05 · 3 obs

○ 2026-08-28 11:49:58
● 2026-08-30 04:35:32
● 2026-09-05 20:17:02

●A172.67.169.1262026-08-30 → 2026-09-05 · 3 obs

○ 2026-08-28 11:49:58
● 2026-08-30 04:35:32
● 2026-09-05 20:17:02

○A188.114.96.02026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 11:49:58
○ 2026-08-30 04:35:32
○ 2026-09-05 20:17:02

○A188.114.97.02026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 11:49:58
○ 2026-08-30 04:35:32
○ 2026-09-05 20:17:02

●A2606:4700:3030::ac43:a97e2026-08-30 → 2026-09-05 · 3 obs

○ 2026-08-28 11:49:58
● 2026-08-30 04:35:32
● 2026-09-05 20:17:02

●A2606:4700:3031::6815:36ea2026-08-30 → 2026-09-05 · 3 obs

○ 2026-08-28 11:49:58
● 2026-08-30 04:35:32
● 2026-09-05 20:17:02

○A2a06:98c1:3120::2026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 11:49:58
○ 2026-08-30 04:35:32
○ 2026-09-05 20:17:02

○A2a06:98c1:3121::2026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 11:49:58
○ 2026-08-30 04:35:32
○ 2026-09-05 20:17:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
fstack.dev	jermaine.ns.cloudflare.com, elma.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.154

NS records: jermaine.ns.cloudflare.com, elma.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fstack.dev (unsigned zone)

⏱️ Timing

Total: 1072ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.126, 104.21.54.234`
AAAA	2	`2606:4700:3030::ac43:a97e, 2606:4700:3031::6815:36ea`
NS	2	`elma.ns.cloudflare.com, jermaine.ns.cloudflare.com`
MX	1	`fstack-dev.mail.protection.outlook.com (`
TXT	2	`NETORGFT15033547.onmicrosoft.com, v=spf1 include:secureserver.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elma.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

fstack.dev points to the four IP addresses 104.21.54.234, 172.67.169.126, 2606:4700:3030::ac43:a97e and 2606:4700:3031::6815:36ea.

rrdydxse.lat, kojimasushibar.com, 1mhdallas.com and two other host names share IP numbers with fstack.dev.

Name Servers

DNS delegation for fstack.dev points to two name servers: elma.ns.cloudflare.com and jermaine.ns.cloudflare.com.

fstack.dev uses the same name servers as several other domains — among them coverdecontenedores-es-66878.pages.dev, gototem.net, hosting-94c.workers.dev and two more.

There is at least partial name server overlap between fstack.dev and other domains — bgi0130uht.vip, usemapsea.com, yiteco9154-8619-1-iqy.pages.dev and two more among them.

These name servers frequently co-occur with the name servers dalary.ns.cloudflare.com and joyce.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

elma.ns.cloudflare.com has IP addresses 108.162.192.154, 172.64.32.154 and 173.245.58.154, plus 3 other.

jermaine.ns.cloudflare.com has IP addresses 108.162.195.157, 162.159.44.157 and 172.64.35.157, plus 3 other.

Mail Servers

Mail for fstack.dev is handled by a single mail server, fstack-dev.mail.protection.outlook.com.